Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7121958 | Positioning structure in a golf club head | Bernard Cheng, Anita Chen, Sasamoto Akinori | 2006-10-17 |
| 6739376 | Method for producing a golf club head | Bernard Cheng, Hsiao-Kun Chen, Tony Chen | 2004-05-25 |